<!DOCTYPE html>
<html>
<head>
  <title>7 three bounce</title>
  <style type="text/css">
    /*
 *  Usage:
 *
 *    <div class="sk-three-bounce">
 *      <div class="sk-child sk-bounce1"></div>
 *      <div class="sk-child sk-bounce2"></div>
 *      <div class="sk-child sk-bounce3"></div>
 *    </div>
 *
 */
.sk-three-bounce {
  margin: 40px auto;
  width: 80px;
  text-align: center; }
  .sk-three-bounce .sk-child {
    width: 20px;
    height: 20px;
    background-color: #333;
    border-radius: 100%;
    display: inline-block;
    -webkit-animation: sk-three-bounce 1.4s ease-in-out 0s infinite both;
            animation: sk-three-bounce 1.4s ease-in-out 0s infinite both; }
  .sk-three-bounce .sk-bounce1 {
    -webkit-animation-delay: -0.32s;
            animation-delay: -0.32s; }
  .sk-three-bounce .sk-bounce2 {
    -webkit-animation-delay: -0.16s;
            animation-delay: -0.16s; }

@-webkit-keyframes sk-three-bounce {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
            transform: scale(0); }
  40% {
    -webkit-transform: scale(1);
            transform: scale(1); } }

@keyframes sk-three-bounce {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
            transform: scale(0); }
  40% {
    -webkit-transform: scale(1);
            transform: scale(1); } }

  </style>
</head>
<body>
 

    <div class="sk-three-bounce">
      <div class="sk-child sk-bounce1"></div>
      <div class="sk-child sk-bounce2"></div>
      <div class="sk-child sk-bounce3"></div>
    </div>
</body>
</html>